Finding the Third Proportional to 295,380 and 647,941.50

Step by Step Solution

1. Step 1: Write the proportion equation
   295,380 : 647,941.50 = 647,941.50 : x
2. Step 2: Convert to fraction form
   295,380/647,941.50 = 647,941.50/x
3. Step 3: Cross multiply
   295,380x = 647,941.50 × 647,941.50
4. Step 4: Simplify right side
   295,380x = 419,828,187,422.25
5. Step 5: Solve for x
   x = 419,828,187,422.25/295,380
6. Step 6: Final answer
   x = 1,421,315.55